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/*
* Copyright (c) 2006-2025, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-07-03 rcitach test case for irq latency
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <rtservice.h>
#include <utest.h>
#include <utest_assert.h>
#include <perf_tc.h>
#define RET_INT 0
#define RET_DECIMALS 1
#define GET_INT(num) split_double(num, RET_INT)
#define GET_DECIMALS(num) split_double(num, RET_DECIMALS)
static rt_device_t hw_dev = RT_NULL;
static rt_hwtimerval_t timeout_s = { 0 };
typedef rt_err_t (*testcase_function)(rt_perf_t *perf);
testcase_function test_func_ptrs[] = {
context_switch_test,
rt_perf_thread_sem,
rt_perf_thread_event,
rt_perf_thread_mq,
rt_perf_thread_mbox,
rt_perf_irq_latency, /* Timer Interrupt Source */
RT_NULL
};
static rt_uint32_t rt_perf_get_timer_us(void)
{
rt_hwtimerval_t timer_val = { 0 };
if (hw_dev && rt_device_read(hw_dev, 0, &timer_val, sizeof(rt_hwtimerval_t)))
{
return (rt_uint32_t)(timer_val.sec * 1000000u + timer_val.usec); /* return us */
}
return 0;
}
void rt_perf_start_impl(rt_perf_t *perf, rt_hwtimerval_t *timeout)
{
if (hw_dev)
{
if (timeout == RT_NULL)
timeout = &timeout_s;
rt_device_write(hw_dev, 0, timeout, sizeof(rt_hwtimerval_t));
}
perf->begin_time = rt_perf_get_timer_us();
}
void rt_perf_stop(rt_perf_t *perf)
{
perf->real_time = rt_perf_get_timer_us() - perf->begin_time;
if (perf->local_modify)
perf->local_modify(perf);
if (perf->real_time > perf->max_time)
{
perf->max_time = perf->real_time;
}
if (perf->real_time < perf->min_time)
{
perf->min_time = perf->real_time;
}
perf->count++;
perf->tot_time += perf->real_time;
if (hw_dev)
rt_device_control(hw_dev, HWTIMER_CTRL_STOP, NULL);
}
static rt_int32_t split_double(double num, rt_uint32_t type)
{
if (type == RET_INT)
{
return (rt_int32_t)num;
}
else if (type == RET_DECIMALS)
{
return (rt_int32_t)((num - (rt_int32_t)num) * 10000);
}
else
{
return (-1);
}
return (-1);
}
void rt_perf_dump(rt_perf_t *perf)
{
static rt_uint32_t test_index = 1;
char avg_str[10] = { 0 };
if (perf->dump_head)
{
rt_kprintf("Test No | Test Name | Count | Total Time (us) | Max Time (us) | Min Time (us) | Avg Time (us)\n");
rt_kprintf("--------|----------------------|-------|-----------------|---------------|---------------|--------------\n");
perf->dump_head = RT_FALSE;
}
if (perf->count)
perf->avg_time = (double)perf->tot_time / perf->count;
else
perf->avg_time = 0.0;
rt_sprintf(avg_str, "%u.%04u", GET_INT(perf->avg_time), GET_DECIMALS(perf->avg_time));
rt_kprintf("%7u | %-20s | %5u | %15u | %13u | %13u | %12s\n",
test_index++,
perf->name,
perf->count,
perf->tot_time,
perf->max_time,
perf->min_time,
avg_str);
}
static void rt_perf_clear(rt_perf_t *perf)
{
perf->local_modify = NULL;
perf->begin_time = 0;
perf->real_time = 0;
perf->tot_time = 0;
perf->max_time = 0;
perf->min_time = RT_UINT32_MAX;
perf->count = 0;
perf->avg_time = 0;
perf->tmp_time = 0;
}
static void rt_perf_all_test(void)
{
rt_perf_t *perf_data = rt_malloc(sizeof(rt_perf_t));
if (perf_data == RT_NULL)
{
return;
}
perf_data->lock = rt_mutex_create("perf", RT_IPC_FLAG_PRIO);
perf_data->dump_head = RT_TRUE;
rt_kprintf("\n === Performance Test Results Start ===\n");
for (int i = 0; test_func_ptrs[i] != RT_NULL; i++)
{
rt_perf_clear(perf_data);
if (test_func_ptrs[i](perf_data) != RT_EOK)
{
LOG_E("%s test fail", perf_data->name);
continue;
}
}
rt_kprintf("\n === Performance Test Results End ===\n");
rt_mutex_delete(perf_data->lock);
rt_free(perf_data);
}
static rt_err_t utest_tc_init(void)
{
int ret = RT_EOK;
hw_dev = rt_device_find(RT_UTEST_HWTIMER_DEV_NAME);
if (hw_dev == RT_NULL)
{
ret = RT_ERROR;
LOG_E("hwtimer sample run failed! can't find %s device!", RT_UTEST_HWTIMER_DEV_NAME);
return ret;
}
ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
if (ret != RT_EOK)
{
LOG_E("open %s device failed!", RT_UTEST_HWTIMER_DEV_NAME);
return ret;
}
timeout_s.sec = 10; /* No modification is necessary here, use the fixed value */
timeout_s.usec = 0;
return ret;
}
static rt_err_t utest_tc_cleanup(void)
{
if (hw_dev)
rt_device_close(hw_dev);
return RT_EOK;
}
static void testcase(void)
{
UTEST_UNIT_RUN(rt_perf_all_test);
}
UTEST_TC_EXPORT(testcase, "core.perf_test", utest_tc_init, utest_tc_cleanup, 10);
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